Home / 27,916.94-38,523.38-15,980.10

Finding the Fourth Proportional to 27,916.94, 38,523.38 and 15,980.10

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Solution

The fourth proportional to 27,916.94, 38,523.38 and 15,980.10 is: 22,051.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,916.94 : 38,523.38 = 15,980.10 : x
  2. Step 2: Convert to fraction form
    27,916.94/38,523.38 = 15,980.10/x
  3. Step 3: Cross multiply
    27,916.94x = 38,523.38 × 15,980.10
  4. Step 4: Simplify right side
    27,916.94x = 615,607,384.84
  5. Step 5: Solve for x
    x = 615,607,384.84/27,916.94
  6. Step 6: Final answer
    x = 22,051.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.